Fuel tank sender unit: 70-73 F w/dual PipeFuel tank sender unit used in early 70 73 Camaro & Firebird with the rarer emissions fuel return line.. so it has TWO lines out of the tank rather then one. Comes with strainer, seal and lock ring. Delivery within Australia is covered on this when ordered and paid online. Size is 3 8 main pipe and 1 4 return. Image is correct. If this is the first time replacing the Sender.. or dropping the tank.. look for the original build sheet paper.. often found